Apple's anxiously-awaited third generation iPad was introduced in San Francisco today, with a host of upgrades and additions including a bright new Retina display driven by an A5X chip with quad-core graphics, a 5-megapixel iSight camera and now, full 1080p HD video capability. Both Wi-Fi and 4G enabled, the new iPad 3 can connect to numerous speedy networks such as the 4G LTEs offered by AT&T and Verizon, and it still offers up to 10 hours of battery life.